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ArcelorMittal · Luxembourg

# OT Framework, Architecture & Standards Lead

Luxembourg Manager or lead IT & Infrastructure 

Listed on ArcelorMittal’s official careers site. Posted September 25, 2026. Check that it is still open and apply there.
[Apply on ArcelorMittal’s careers site →](https://emfg.fa.em4.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_4001/job/41547)

[OpenNash Jobs](https://jobs.opennash.com/) / [ArcelorMittal](https://jobs.opennash.com/companies/arcelormittal/) / OT Framework, Architecture & Standards Lead

## Job description

### Key Responsibilities
- Own and evolve the OT security architecture framework, policies, standards, procedures and reference patterns.
- Update the UCF to align with the OT Tiering Framework designed with Capgemini and relevant KPMG CMA recommendations.
- Drive NIS2 and applicable regulatory alignment for OT environments in collaboration with Legal, Risk and business teams.
- Define control requirements proportionate to site criticality, zones, conduits and operational risk.
- Support audits, maturity assessments, risk acceptances, exceptions and remediation governance.
- Provide architecture assurance for programmes, designs and major OT security investments.
- Maintain implementation guidance that enables repeatable adoption across clusters and plants.

### Qualifications
- Bachelor's or master's degree in engineering, cyber security, information systems, risk or a related field, equivalent senior experience accepted.
- Deep understanding of OT frameworks, security architecture, industrial control systems and risk-based control design.
- Working knowledge of NIS2, IEC 62443, NIST CSF, ISO 27001 and industrial network segmentation principles.

### Experience
- 10+ years in cybersecurity, architecture, governance, risk or audit, including 5+ years focused on OT/ICS.
- Experience developing enterprise policies, control frameworks, reference architectures and assurance processes.
- Experience translating assessments and regulatory obligations into implementable technical requirements.

### Certifications
- GICSP and/or IEC 62443 certification strongly preferred.
- CISSP, CISM, CRISC, SABSA, TOGAF or ISO 27001 Lead Implementer/Auditor preferred.

## At a glance
- Posted by the employer: Sep 25, 2026
- First seen by OpenNash: Oct 19, 2026
- Last checked: Oct 19, 2026
- Listed for: 24 days
- Location: Luxembourg[Apply on ArcelorMittal’s careers site →](https://emfg.fa.em4.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_4001/job/41547)

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